Figure 10-14. Uv Lamp Adjustment - Teledyne T100 Instruction Manual

Teledyne ML - T100 UV Fluorescence SO2 Analyzer
ATTENTION
UVLAMP_SIGNAL
3500mV±200mV.
> 4900mV at any time.
>3700mV or < 3300mV
.< 600mV
1. Set the analyzer display to show the signal I/O function, UVLAMP_SIGNAL (refer to
Section 10.1.3). UVLAMP_SIGNAL is function 33.
2. Slightly loosen the large brass thumbscrew located on the shutter housing (refer to
Figure 10-14) so that the lamp can be moved.
DO NOT
Use Lamp Cap to
adjust Lamp position
UV Lamp
Bracket
Mounting
Screws

Figure 10-14. UV Lamp Adjustment

DO NOT grasp the UV lamp by its cap when changing its position - always grasp the main
body of the lamp (refer to Figure 10-13) Inattention to this detail could twist and potentially
disconnect the lamp's power supply wires.
3. While watching the UVLAMP_SIGNAL reading, slowly rotate the lamp or move it
back and forth vertically until the UVLAMP_SIGNAL reading is at its maximum.
4. Compare the UVLAMP_SIGNAL reading to the information in Table 10-10 and follow
the instructions there.
Table 10-10: Example of HVPS Power Supply Outputs
No Action Required
Adjust the UV reference detector potentiometer (Figure 10-15) until
UVLAMP_SIGNAL reads approximately 3600mV before continuing to adjust the
lamp position.
Adjust the UV reference detector potentiometer (Figure 10-15) until
UVLAMP_SIGNAL reads as close to 3500mV as possible.
Replace the lamp (Section 10.7.2.6.
06807A(DCNxxxx)
UV Lamp
Power Supply
Wires
Adjust Lamp
Position by
grasping Lamp
body ONLY
Thumb screw
COULD DAMAGE INSTRUMENT
ACTION TO BE TAKEN
Troubleshooting & Repair
293